/// <summary>
/// Save_Click
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Save_Click(object sender, RoutedEventArgs e)
{
OFF.clear_wfacets();
OFF.add_wfacet("product_name", "Petit salé aux lentilles");
OFF.Login = Login.Text;
OFF.Code = Product.id;
OFF.Pwd = Pwd.Password;
MessageBox.Show(OFF.set_product());
}